As part of a science lab, Trenton performed a reaction multiple times with a different amount of reactant each time. He made the graph below to record his results.
Which of the following describes the rate at which the amount of product changed?
A.
It increased by 1 gram for every 2-gram increase in the amount of reactant.
B.
It increased by 2 grams for every 1-gram increase in the amount of reactant.
C.
It increased by 1 gram for every 1-gram increase in the amount of reactant.
D.
It increased by 3 grams for every 2-gram increase in the amount of reactant.